Yamaha Lower Unit Lock

The McGard lower unit lock bolt is designed specifically for Yamaha lower units and features a stainless steel locking bolt.(M12 x 1.25). Simply replace one of the original equipment bolts above the propeller with a McGard locking bolt. Constructed of through-hardened stainless steel for maximum security. A free-spinning collar will turn if attacked by gripping tools without loosening the lock to avoid costly theft.

Yamaha Lower Unit Lock 74059SU will fit all YAMAHA F115 – F350 with L & X shafts (except F150TXR) and almost all YAMAHA V4 & V6 2 stroke engines.

The set 74059SU includes:
1 locking bolt
1 key
1 code card